, (.. , ). :
) ;
) ;
) , , ..;
) (, ).
, ( ) b. q , ts , R T. q ts (.2.5.1).
q q q q q
ts ts ts ts ts
. 2.5.1. . .
q /2 ts, b = R/, ts = q/b.
q, . . , , . , q ( ).
1 , ( ), 2 , q :
(q) = + =
= 1/ ts + 2 q/2 = 1b/q + 2q /2. (2.5.1)
(q) :
c′(q) = 1b/q2 + 2/2 = 0,
q* = Ö2 1b/ 2. (2.5.2)
. q* (2.5.1) :
* = (q*) =Ö212b. (2.5.3)
ts* = q* /b = Ö2 1/(b 2). (2.5.4)
2.5.1. 100 . 1000 . 0.2 . , . (2.5.2)-(2.5.4)
q* = Ö2´100´1000/0.2 = 1000 .
* =365Ö2´100´1000´0.2 = 73000 .
ts* = Ö2´1000/(100´0.2) = 10 .
() . , , , . .
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2.5.2. 2.5.1, L 12 . 10 , , 12 10 = 2 . , q*=1000 2´100=200. , L ts* L > ts*. , , 2 .